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由于用户工作负载导致延迟问题、CPU较高

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perf<a>2009153224</a>
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适用场景

ONTAP 9

问题描述

  • 已在节点上触发性能容量警报
  • CPU利用率高
  • 卷上显示高写入/读取延迟
  • 构建作业时间不一致或需要更长时间

示例: 由于用户工作负载、节点1的CPU较高、但节点2处于闲置状态、如node shell sysstat -x 1 命令中所示

注意: 删除了列以提高可读性

Cluster::> node run node1 sysstat -x 1 CPU NFS CIFS HTTP Total Net kB/s Disk kB/s in out read write 79% 22453 0 0 22463 1491948 8098 664188 2631848 76% 22448 0 0 22478 1492337 8121 607184 658216 75% 22478 0 0 22509 1492134 8106 78844 101992 75% 22453 0 0 23134 1492587 8108 810668 2736420 Cluster::> qos statistics volume latency show Workload ID Latency Network Cluster Data Disk QoS NVRAM --------------- ------ ---------- ---------- ---------- ---------- --------- --------- --------- -total- - 136.49ms 99.00us 70.00us 136.17ms 153.00us 0ms 0ms vserver1_vol1.. 4201 206.05ms 130.00us 0ms 205.88ms 44.00us 0ms 0ms
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